MEANING: adjective: Feeling remorse or guilt.

ETYMOLOGY: From Latin compungere (to prick hard), from com- (intensive prefix) + pungere (to prick). Ultimately from the Indo-European root peuk- (to prick), which is also the source of point, puncture, pungent, punctual, poignant, pounce, poniard, impugn, oppugn, and pugnacious. Earliest documented use: 1616.

COMPUNCTIOLUS - a teeny weeny bit of regret

COMPUNCTIOU - I feel bad about giving you this promissory note, 'cause I know I have no intention to pay it

"COMPUNCHIOUS" - said the Masochist; and the Sadist said, "No!"